Roller-jewel setter.



NO- 802,045. PATENTEDHOGT. 17, 1905.

F. HYDE ROLLER .JEWEL SETTER.

APPLICATION FILED JUNE 26,1905.

FRANCIS HYDE, OF SIOUX FALLS, SOUTH DAKOTA.

ROLLER-JEWEL SETTER.

Specification of Letters Patent.

Patented 0a. 17, 1905.

Application filed June 26, 1905. Serial No. 267,031-

T0 at whom it may concern.-

Be it known that I, FRANcIs HYDE, a citizen of the United States, residing at Sioux Falls, in the county of Minnehaha and State of South Dakota, have invented certain new and useful Improvements in Roller-Jewel Setters, of which the following is a specification,reference being had to the accompanying drawings.

My invention relates to improvements in devices for holding a balance-wheel and hairspring while setting a jewel in the rollertable and in such manner as to prevent the communication of heat to the hair-spring and to do away with the necessity of itsrcrnoval during the manipulation of the roller-jewel.

The object of my invention is to provide an instrument of this kind which shall be simple in construction, eflicient in operation, and cheap in manufacture.

In the drawings illustrating the principle of my invention and the best mode now known to me of applying that principle, Figure l is a plan view of the tool with a balance-wheel and its connected parts shown in position thereon. Fig. 2 shows the tool in plan with the balancewheel and its connected parts removed. Fig. 3 is a side view, and Fig. 4 is a sectional view on line A A of Fig. 1.

Mounted in the handle a are the rod Z) and flat spring a, and mounted upon the free end of the rod 5 is a block d, of copper, brass, or some other good conductor of heat. The block cl is flattened on its top 0, in which is formed a short groove or slot f, adapted to receive the balance-staif g, and this flattening of the top 6 permits the roller-jewel it to be readily manipulated. To permit the free end of the spring 0 to pass. between the rollertable and the balance-wheel j, the notch in is formed therein.

Heat is applied to the block at and by it is transmitted to the roller-table z', melting the shellac and permitting the manipulation of the roller-jewel or ruby-pin h. The spring 0 forces the roller-table i into firm contact with the block d and prevents the transmission of heat to the hair-spring m and the necessity of removal thereof.

To loosen the work so as to permit its removal, the push-pin n is forced into the position shown in Fig. '2, carrying the spring 0 away from the block b.

What I claim is 1. A tool of the class described made up of a holder; a solid block of conducting metal mounted on said holder and having a flattened top in which is formed a slot for the reception of the balance-stafl; and a fiat spring one end of which is mounted in said holder and the other end of which is notched to engage between the roller-table and the balance-wheel and which normally presses said roller-table against said block and said balance-staff into said slot.

2. A tool of the class described made up of a holder; a solid block of conducting metal mounted thereon and having a flattened top in which is formed a slot for the reception of the balance-staff; a flat spring one end of which is notched to engage between the rollertable and the balance-wheel and thereby to force said roller-table against said block and said balance-staff into said slot; and means for forcing said spring from said block to release the work. 1

FRANCIS HYDE.

Witnesses:

EDGAR E. RADILL, JOHN KING. 

